My younger brother still sometimes wets the bed.

He is my online friend, and we play online games every day.

This bacteria can be killed by heat.

This food has been heat-treated to kill bacteria.

He prayed fervently for his sick friend.

He prayed earnestly for his sick mother.

Walking on the hot sand is very difficult.

On a warm and gentle afternoon, I took a deep breath and relaxed.

This ear of grain is very big, isn't it?

He set up a new sail and started sailing.